DIPTERA. 101 



C. frigida Osten Sacken. 



Me.— 7, 8, 9. N. H.— 11. June 25-July 12. 



Mass.— 24, 27, 29, 32. R. I.— 33. Conn.— 35. June 8- Aug. 4. 



C. fallax Osten Sacken. 



N. H.— 12, 13. Vt.— 20. July 7. 



Mass.— 23, 24, 25, 27. Conn.— 34, 35. June 16- July 31. 



C. montana Osten Sacken. 



N. H.— 13. Vt.— 16. June 24-26. 



Mass.— 24, 25, 27, 32. Conn.— 34, 35. June 23-Aug. 20. 



C. hilaris Osten Sacken. 



Me.— 6, 8, 9, 10. N. H.— 11, 13, 14, 15. Vt.— 16, 18, 19. 



June 24- Aug. 1. 



Mass.— 23, 25, 26. Conn.— 34, 35. June 28- July 25. 



C. striata Osten Sacken. 



Me.— 8, 9, 10. N. H.— 13. Vt.— 16. July 9-Aug. 27. 



Mass.— 24, 26, 27, 28, 29, 32. R. I.— 33. Conn.— 34, 35. 

 July 7-Sept. 9. 



C. hinei Daecke. 



Mass. — West Peabody, July 8; Wellesley, July 30, and Dover, 

 Aug. 11 {Morse); New Bedford, Aug. 30 (Hough). 



C. vittata Wiedemann. 



Me.— 6, 7, 8, 10. N. H.— 11, 12, 15. Vt.— 16. June 20-Aug. 



17. 

 Mass.— 23, 24, 25, 26, 27, 28, 29, 31, 32. R. I.— 33. Conn.— 



34, 35. June 26-Aug. 2. 



Tabanus Linne. Horse Flies. 



T. recedens Walker. 



Mass. — Springfield, July 12, 1899 {Dimmock). Conn. — New 



Haven, June 24; Farmington, July 1; South Meriden, July 16; 



Lyme, July 16. 



T. abdominalis Fabricius. 



Mass. — Sherborn {E. J. Smith). Conn. — New Canaan, Sept. 5; 

 Lyme, Aug. 8. 



T. trimaculatus Palisot de Beauvois. 

 Mass. — ? Conn. — . 



T. melanocerus Wiedemann. 

 Conn. — Lyme, Aug. 8, 1915. 



T. cofEeatus Macquart. 



Mass.— 24, 27, 29, 31, 32. July 13-Sept. 6. 



T. orion Osten Sacken. 



Me.— 9, 10. N. H.— 13, 14. July 30-Aug. 9. 



Mass.— 23, 24, 25, 26, 27. Conn.— 34, 35. July 30-Aug. 19. 



